86 free_object (struct mempool *pool, void *object)  in free_object()  argument
90   obj->next = pool->free_list;  in free_object()
91   pool->free_list = obj;  in free_object()
92   ++pool->num_free;  in free_object()
96 add_memory (struct mempool *pool, char *mem, size_t size, size_t obj_size)  in add_memory()  argument
101     free_object (pool, obj);  in add_memory()
105 expand (struct mempool *pool)  in expand()  argument
110   size = pool->chunk_size;  in expand()
114       size = UNW_ALIGN(pool->obj_size, pg_size);  in expand()
119 	  size = pool->obj_size;  in expand()
123   add_memory (pool, mem, size, pool->obj_size);  in expand()
127 mempool_init (struct mempool *pool, size_t obj_size, size_t reserve)  in mempool_init()  argument
132   memset (pool, 0, sizeof (*pool));  in mempool_init()
134   lock_init (&pool->lock);  in mempool_init()
146   pool->obj_size = obj_size;  in mempool_init()
147   pool->reserve = reserve;  in mempool_init()
148   pool->chunk_size = UNW_ALIGN(2*reserve*obj_size, pg_size);  in mempool_init()
150   expand (pool);  in mempool_init()
154 mempool_alloc (struct mempool *pool)  in mempool_alloc()  argument
159   lock_acquire (&pool->lock, saved_mask);  in mempool_alloc()
161     if (pool->num_free <= pool->reserve)  in mempool_alloc()
162       expand (pool);  in mempool_alloc()
164     assert (pool->num_free > 0);  in mempool_alloc()
166     --pool->num_free;  in mempool_alloc()
167     obj = pool->free_list;  in mempool_alloc()
168     pool->free_list = obj->next;  in mempool_alloc()
170   lock_release (&pool->lock, saved_mask);  in mempool_alloc()
175 mempool_free (struct mempool *pool, void *object)  in mempool_free()  argument
179   lock_acquire (&pool->lock, saved_mask);  in mempool_free()
181     free_object (pool, object);  in mempool_free()
183   lock_release (&pool->lock, saved_mask);  in mempool_free()